A reconnaissance of the water resources of the central Guanajibo Valley, Puerto Rico / by Eloy Colón-Dieppa and Ferdinand Quiñones-Márquez ; prepared in cooperation with the Puerto Rico Department of Agriculture
Physical description for original version: vi, 47 p. : 28 cm
書誌注記
Includes bibliographical references (p. 47)
原資料等に関する注記
原資料の出版事項: San Juan, P.R. : U.S. Dept. of the Interior, Geological Survey ; a Denver, Colo. : Open-File Services Section, Western Distribution Branch, 1985